🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 13.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,894,645 km

• M1: 169,195 km (0.116 R)
• M2: 650,751 km (0.05 R)
• M3: 1,295,966 km (0.066 R)
• M4: 1,745,508 km (0.043 R)
• M5: 2,242,173 km (0.12 R)
• M6: 2,953,660 km (0.108 R)
• M7: 3,504,779 km (0.075 R)
• M8: 4,047,670 km (0.043 R)
• M9: 4,773,219 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 10.7

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.4 AU - 2.2 AU

Year: 1610 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,894,645 km

• M1: 133,142 km (0.056 R)
• M2: 727,046 km (0.097 R)
• M3: 1,122,283 km (0.041 R)
• M4: 1,584,989 km (0.059 R)
• M5: 1,932,954 km (0.066 R)
• M6: 2,282,714 km (0.102 R)
• M7: 2,772,946 km (0.107 R)
• M8: 3,127,792 km (0.075 R)
• M9: 4,577,396 km (0.082 R)
• M10: 4,927,006 km (0.085 R)
• M11: 6,133,812 km (0.066 R)
• M12: 7,726,580 km (0.041 R)
• M13: 8,526,929 km (0.105 R)
• M14: 9,512,779 km (0.071 R)
• M15: 10,188,213 km (0.1 R)
• M16: 10,573,129 km (0.108 R)
• M17: 10,931,416 km (0.106 R)
• M18: 15,155,311 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 11.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.13 AU - 3.29 AU

Year: 3835 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,894,645 km

• M1: 139,425 km (0.062 R)
• M2: 570,716 km (0.047 R)
• M3: 2,835,777 km (0.095 R)
• M4: 3,429,232 km (0.08 R)
• M5: 3,966,288 km (0.113 R)
• M6: 4,473,724 km (0.106 R)
• M7: 4,978,468 km (0.076 R)
• M8: 5,844,789 km (0.059 R)
• M9: 6,287,449 km (0.101 R)
• M10: 9,222,410 km (0.051 R)
• M11: 9,573,067 km (0.08 R)
• M12: 10,755,638 km (0.079 R)
• M13: 12,924,658 km (0.073 R)
• M14: 13,859,944 km (0.119 R)
• M15: 15,616,522 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.3

Radius: 3.4

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.39 AU - 7.49 AU

Year: 12192 Days

Day: 19.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,894,645 km

• M1: 42,486 km (0.097 R)
• M2: 378,183 km (0.111 R)
• M3: 650,751 km (0.065 R)
• M4: 813,064 km (0.112 R)
• M5: 1,321,996 km (0.118 R)
• M6: 1,492,987 km (0.073 R)
• M7: 1,864,438 km (0.113 R)
• M8: 2,905,639 km (0.104 R)
• M9: 5,141,679 km (0.113 R)
• M10: 5,260,160 km (0.118 R)
• M11: 5,816,664 km (0.11 R)
• M12: 9,067,426 km (0.088 R)
• M13: 11,546,412 km (0.063 R)
• M14: 14,917,750 km (0.1 R)
• M15: 16,088,353 km (0.077 R)
• M16: 17,252,524 km (0.114 R)
• M17: 18,960,932 km (0.1 R)
• M18: 23,595,923 km (0.107 R)
• M19: 29,025,577 km (0.102 R)
• M20: 29,496,511 km (0.084 R)
• M21: 30,068,424 km (0.101 R)
• M22: 31,037,968 km (0.107 R)
• M23: 31,234,390 km (0.116 R)
• M24: 33,863,273 km (0.099 R)
• M25: 35,124,982 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.2

Radius: 6

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.23 AU - 8.49 AU

Year: 13315 Days

Day: 17.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,894,645 km

• M1: 74,649 km (0.083 R)
• M2: 411,843 km (0.113 R)
• M3: 606,320 km (0.07 R)
• M4: 1,013,526 km (0.114 R)
• M5: 1,381,387 km (0.087 R)
• M6: 1,921,734 km (0.1 R)
• M7: 2,162,437 km (0.058 R)
• M8: 3,518,392 km (0.065 R)
• M9: 7,406,740 km (0.12 R)
• M10: 12,629,351 km (0.12 R)
• M11: 15,427,729 km (0.067 R)
• M12: 15,721,091 km (0.029 R)
• M13: 16,700,358 km (0.082 R)
• M14: 19,367,688 km (0.088 R)
• M15: 20,757,602 km (0.07 R)
• M16: 21,476,869 km (0.083 R)
• M17: 24,720,300 km (0.099 R)
• M18: 27,517,631 km (0.117 R)
• M19: 28,057,829 km (0.091 R)
• M20: 31,566,048 km (0.114 R)
• M21: 33,486,287 km (0.113 R)
• M22: 35,866,090 km (0.069 R)
• M23: 44,857,221 km (0.074 R)
• M24: 45,755,855 km (0.114 R)
• M25: 59,446,603 km (0.039 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 13,022 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit